(19)
(11) EP 3 320 755 A1

(12)

(43) Date of publication:
16.05.2018 Bulletin 2018/20

(21) Application number: 16709928.2

(22) Date of filing: 15.03.2016
(51) International Patent Classification (IPC): 
H05B 33/08(2006.01)
H05B 37/02(2006.01)
(86) International application number:
PCT/EP2016/055519
(87) International publication number:
WO 2016/165893 (20.10.2016 Gazette 2016/42)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 17.04.2015 CN 201510184396

(71) Applicant: LEDVANCE GmbH
85748 Garching (DE)

(72) Inventors:
  • YANG, Xusheng
    Shenzhen 518053 (CN)
  • HUANG, Kaichun
    Shenzhen 518053 (CN)

(74) Representative: Gravendeel, Cornelis 
Philips Intellectual Property & Standards High Tech Campus 5
5656 AE Eindhoven
5656 AE Eindhoven (NL)

   


(54) LIGHT EMITTING DIODE DRIVING CIRCUIT AND LIGHT EMITTING DIODE LIGHTING DEVICE